| 摘要 |
FIELD: manufacture of large-size and heavily loaded parts. ^ SUBSTANCE: steel contains, mass %: carbon, 0.05 - 0.1; silicon, 0.5 - 0.7; manganese, 7.0 - 11.0; nitrogen, 0.03 - 0.08; vanadium, 1.0 - 2.0; calcium, 0.02 - 0.05; molybdenum, 5.0 - 6.0; phosphorus, 0.1 - 0.2; cobalt, 5.0 - 6.0; iron, the balance. ^ EFFECT: improved strength of steel. ^ 1 tbl |
